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Product_Observational
- Identification_Area
-
- logical_identifier
- urn:nasa:pds:mess-mag-calibrated:data-cal-lac:magcallac13053
- version_id
- 1.0
- title
- MESSENGER MAG Calibrated AC 2013-02-22 00:00:08.314 - 2013-02-23 00:00:06.317
- information_model_version
- 1.15.0.0
- product_class
- Product_Observational
- Citation_Information
-
- author_list
- Korth, H.
- publication_year
- 2021
- description
-
The table contains the timetags and average output amplitude in units
of nano-Tesla of a 1-to-10 Hz bandpass filter for a single magnetometer
axis selected by command. The sampling rate is 1/s. The table contains
data from MAG LAC packets generated on a given day with one LAC sample
given per row.
The TIME_TAG corresponds to the center time of the one-second interval
used to calculate the LAC value. START_TIME and STOP_TIME correspond to
the TIME_TAG values of the first row and last row (respectively) in the
table.
- Modification_History
-
- Modification_Detail
-
- modification_date
- 2021-03-25
- version_id
- 1.0
- description
-
This product, MAGCALLAC13053_V08.TAB, was originally released in 2015
as part of the PDS3 MESS-E/V/H/SW-MAG-3-CDR-CALIBRATED-V1.0 dataset.
The metadata have been migrated to PDS4. The data themselves are unchanged.
- Observation_Area
-
- Time_Coordinates
-
- start_date_time
- 2013-02-22T00:00:08.314Z
- stop_date_time
- 2013-02-23T00:00:06.317Z
- Primary_Result_Summary
-
- purpose
- Engineering
- processing_level
- Calibrated
- Investigation_Area
-
- name
- MESSENGER
- type
- Mission
- Internal_Reference
-
- lid_reference
-
urn:nasa:pds:context:investigation:mission.messenger
- reference_type
- data_to_investigation
- Observing_System
-
- Observing_System_Component
-
- name
- Magnetometer
- type
- Instrument
- Internal_Reference
-
- lid_reference
-
urn:nasa:pds:context:instrument:mag.mess
- reference_type
- is_instrument
- Observing_System_Component
-
- name
- MESSENGER
- type
- Host
- Internal_Reference
-
- lid_reference
-
urn:nasa:pds:context:instrument_host:spacecraft.mess
- reference_type
- is_instrument_host
- Target_Identification
-
- name
- Mercury
- type
- Planet
- Internal_Reference
-
- lid_reference
-
urn:nasa:pds:context:target:planet.mercury
- reference_type
- data_to_target
- Mission_Area
-
- MESSENGER
-
- mission_phase_name
- Mercury Orbit Year 2
- spacecraft_clock_start_count
- 2/003815208.050
- spacecraft_clock_stop_count
- 2/003901606.050
- Reference_List
-
- Source_Product_External
-
- external_source_product_identifier
- MESS-E/V/H/SW-MAG-3-CDR-CALIBRATED-V1.0:magcallac13053
- reference_type
- data_to_calibrated_source_product
- doi
- 10.17189/1519745
- curating_facility
- NASA Planetary Data System
- description
- This is the first version of this product converted to PDS4. The DOI provided
references the PDS3 source data set.
- File_Area_Observational
-
- File
-
- file_name
- MAGCALLAC13053_V08.TAB
- creation_date_time
- 2016-02-29T17:21:28.000Z
- file_size
- 4319650
- md5_checksum
- 133b13746942e9b287d6f26e8ab62124
- comment
- This data file is unmodified from the PDS3 version.
- Table_Character
-
- offset
- 0
- records
- 86393
- record_delimiter
- Carriage-Return Line-Feed
- Record_Character
-
- fields
- 8
- groups
- 0
- record_length
- 50
- Field_Character
-
- name
- YEAR
- field_number
- 1
- field_location
- 1
- data_type
- ASCII_Integer
- field_length
- 4
- description
- UTC year associated with the LAC sample in
each record.
- Field_Character
-
- name
- DAY_OF_YEAR
- field_number
- 2
- field_location
- 6
- data_type
- ASCII_Integer
- field_length
- 3
- description
- UTC day of year associated with the LAC
sample in each record.
- Field_Character
-
- name
- HOUR
- field_number
- 3
- field_location
- 10
- data_type
- ASCII_Integer
- field_length
- 2
- description
- UTC hour associated with the LAC sample
in each record.
- Field_Character
-
- name
- MINUTE
- field_number
- 4
- field_location
- 13
- data_type
- ASCII_Integer
- field_length
- 2
- description
- UTC minute associated with the LAC sample
in each record.
- Field_Character
-
- name
- SECOND
- field_number
- 5
- field_location
- 16
- data_type
- ASCII_Real
- field_length
- 6
- description
- UTC second associated with the LAC sample
in each record.
- Field_Character
-
- name
- TIME_TAG
- field_number
- 6
- field_location
- 23
- data_type
- ASCII_Real
- field_length
- 13
- description
- A derived value for the time tag associated
with the data values in each record.
The derived value is created by the following formula:
MET + 0.05 * delta_ts + 0.5 + (dt_sample)*(i-1)*(num_samples/num_AC).
MET is the mission elapsed time for the entire science packet.
delta_ts is the time in seconds between the MET and the first sample
in the science packet.
dt_sample is the time between samples in seconds and is given by
dt_sample = 1/sample_rate where sample_rate is the reported sample
rate in samples per second.
num_samples is number of magnetometer samples.
num_AC is the number of logAC values.
i is the incremental counter for each of the logAC values. i=1 is the
first logAC value in the science packet.
- Field_Character
-
- name
- AC_AXIS
- field_number
- 7
- field_location
- 37
- data_type
- ASCII_Integer
- field_length
- 1
- description
- AC axis selected. =0 X, =1 Y, =2 Z
- Field_Character
-
- name
- B_AC
- field_number
- 8
- field_location
- 39
- data_type
- ASCII_Real
- field_length
- 10
- description
- Average output amplitude in units
of nano-Tesla of a 1-to-10 Hz bandpass filter for the selected
magnetometer axis selected by command.